Delcambre, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.9 °C (low) to 25.6 °C (high). Annual precipitation averages 1613.7 Millimeters. Delcambre is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.7 °C | 16.6 °C | 146.56 mm |
| February | 7.6 °C | 18.6 °C | 107.95 mm |
| March | 11 °C | 22.2 °C | 96.01 mm |
| April | 14.6 °C | 25.4 °C | 130.56 mm |
| May | 18.9 °C | 29.1 °C | 124.97 mm |
| June | 22.3 °C | 31.7 °C | 175.01 mm |
| July | 23.4 °C | 32.6 °C | 170.94 mm |
| August | 22.9 °C | 32.8 °C | 169.93 mm |
| September | 20.6 °C | 31.2 °C | 139.95 mm |
| October | 15.1 °C | 27.1 °C | 119.13 mm |
| November | 9.5 °C | 21.7 °C | 117.86 mm |
| December | 6.7 °C | 17.8 °C | 114.81 mm |
| Annual | 14.9 °C | 25.6 °C | 1613.68 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |